Question

If a7-a3=32 then the
common
difference of A.P is
​

Answer 1

a7-a3 = 32

nth term (a n)=a+(n-1)d

=> a7=a+6d

a3=a+2d

=>a+6d-(a+2d)=32

=>a+6d-a-2d =32

=>4d=32

:.d=8

Therefore the common difference of this A.P series is 8.